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12205004092 = 226134977571
BaseRepresentation
bin10110101110111100…
…11001010100111100
31011111120212110002121
423113132121110330
5144443440112332
65335031332324
7611310552211
oct132736312474
934446773077
1012205004092
1151a3452246
1224475210a4
1311c6781718
1483ad43b08
154b6767797
hex2d779953c

12205004092 has 12 divisors (see below), whose sum is σ = 21393604456. Its totient is φ = 6092545680.

The previous prime is 12205004087. The next prime is 12205004093. The reversal of 12205004092 is 29040050221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12205004093) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2486334 + ... + 2491237.

Almost surely, 212205004092 is an apocalyptic number.

It is an amenable number.

12205004092 is a deficient number, since it is larger than the sum of its proper divisors (9188600364).

12205004092 is a wasteful number, since it uses less digits than its factorization.

12205004092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4978188 (or 4978186 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The spelling of 12205004092 in words is "twelve billion, two hundred five million, four thousand, ninety-two".

Divisors: 1 2 4 613 1226 2452 4977571 9955142 19910284 3051251023 6102502046 12205004092